WO2002017441A2 - Dispositif de signalisation destine de preference a des zones exposees aux explosions - Google Patents

Dispositif de signalisation destine de preference a des zones exposees aux explosions Download PDF

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Publication number
WO2002017441A2
WO2002017441A2 PCT/EP2001/009407 EP0109407W WO0217441A2 WO 2002017441 A2 WO2002017441 A2 WO 2002017441A2 EP 0109407 W EP0109407 W EP 0109407W WO 0217441 A2 WO0217441 A2 WO 0217441A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
signal device
current source
signaling
contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2001/009407
Other languages
German (de)
English (en)
Other versions
WO2002017441A3 (fr
Inventor
Dieter Woitschöll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KENNLEUCHTEN-TECHNISCHE-ANLAGEN GmbH
Original Assignee
KENNLEUCHTEN-TECHNISCHE-ANLAGEN GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KENNLEUCHTEN-TECHNISCHE-ANLAGEN GmbH filed Critical KENNLEUCHTEN-TECHNISCHE-ANLAGEN GmbH
Priority to AU2001284016A priority Critical patent/AU2001284016A1/en
Publication of WO2002017441A2 publication Critical patent/WO2002017441A2/fr
Publication of WO2002017441A3 publication Critical patent/WO2002017441A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/10—Safety devices structurally associated with lighting devices coming into action when lighting device is overloaded, e.g. thermal switch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00

Definitions

  • the invention relates to a signal device for areas which are preferably at risk of explosion according to the preambles of claims 1, 5, 7, 9, 11 and 14.
  • the object of the invention is to improve known electronic devices, in particular in such a way that their operation in hazardous areas is possible without risk.
  • a signal device for achieving this object has the features of claim 1. Because a space can be formed by the housing and the current source, in which the contacts are arranged in such a way that they only form a current-conducting connection when the room is closed, a change in the current source does not lead to the consequences described above in potentially explosive atmospheres areas. Since the room is closed, i.e. separated from the potentially explosive areas, there is also no risk of sparking when connecting the electrically conductive contacts inside this room. Possible consequences of sparking, in particular a spark gap, are limited to the room itself. In this way, the power source, for example a “battery pack”, can be changed safely even in potentially explosive areas.
  • the space is preferably formed by positive engagement of the housing with the power source, for example by plugging the two parts together. Walls of the housing can rest against walls of the power source. In a preferred embodiment, a seal is associated with the walls. In this way the room can be sealed gas-tight against the potentially explosive areas.
  • a further signal device for solving the above-mentioned object which can also be a further development of the aforementioned solution, has the features of claim 5. Because at least one contact is assigned a means for interrupting the power supply, which is designed and / or can be actuated in such a way that the power is supplied only after the contacts have been connected, sparking when connecting the contacts is excluded. The power supply to at least one contact is therefore interrupted until the contacts are mechanically and electrically connected to one another. Only then is the power supply established by closing the circuit. In this way, the power source can be changed safely in potentially explosive areas.
  • the means is formed by a mechanical or contactless button or sensor which is automatically actuated by or after connecting the housing to the power source.
  • the button can, for example, be arranged on the housing or the power source in such a way that, after the connection, it is located in the interior of the space mentioned above and is actuated by contacting other parts of the signaling device.
  • a further signal device for solving the above-mentioned object which can also be a further development of the above-mentioned solutions, has the features of claim 7.
  • the fact that the windshield is made of a shatterproof material can prevent the windshield from being damaged.
  • the damage to the windscreen usually goes hand in hand with damage to the signaling device behind it, which can lead to sparking and accordingly entails the risk of an explosion.
  • the signaling device is designed to be sufficiently robust to be used safely in potentially explosive areas.
  • the front screen is made of bulletproof glass.
  • a further signal device for solving the above-mentioned object which can also be a further development of the aforementioned solutions, has the features of claim 9.
  • a measuring device arranged in the housing for determining the temperature in the housing is assigned to the or each signaling means.
  • the or each signaling device is automatically switched off. In this way, parts of the housing are prevented from heating up during operation of the illuminant in such a way that an explosion occurs.
  • a sensor is arranged between the front pane of the housing and the illuminant, and preferably in a hermetically sealed room, in particular anteroom, in front of the signaling means, in particular a lamp body. In this way, a maximum temperature is measured in the housing and the lamp is switched off in good time.
  • a further signal device for solving the above-mentioned object which can also be a further development of the above-mentioned solutions, has the features of claim 11.
  • the power source is assigned a means for charging the same.
  • the agent is a charger that is an integral part of the power source. This means automatically detects the battery voltage and automatically adjusts the charging voltage source accordingly. This eliminates the need for an external charger, making charging easier.
  • the current source can be detachably connected to the housing.
  • the current source can thus be charged independently of the signal device and this can continue to be used during the charging.
  • the current source can be connected to external current sources with different voltages.
  • the charging device has means for converting the voltage of the external current source into a suitable current for charging the current source.
  • the signaling device can be used universally and can be charged at almost any power source.
  • a further signal device for solving the above-mentioned object which can also be a further development of the aforementioned solutions, has the features of claim 14. Accordingly, the signal device has a holder assigned to the windshield for receiving means for influencing and / or changing the generated signal. Infrared filters, yellow filters and / or diffusers can be used in this holder, for example. Thus, the signaling device can be easily adapted to local conditions or different purposes.
  • 1 is a signal device in front view
  • FIG. 3 shows a vertical section III-III in accordance with FIG. 1 in partial representation
  • Fig. 7 is a vertical section IV-IV of FIG. 2 of a second embodiment.
  • signal devices are shown, namely hand lamps 10.
  • the hand lamps 10 are suitable for use in areas in which an explosion can be triggered, for example, by electrical sparks or high temperatures.
  • Each portable spotlight 10 has a closed housing 11, which is used to hold at least one lamp 12.
  • the housing 11 consists, among other things an upper housing part 13 and a lower housing part 14, which have a hinge
  • a translucent windshield 16 is arranged in a front of the upper housing part 13.
  • the upper housing part 13 has an opening which is of such a size and shape that the front pane 16 closes the opening completely.
  • the front screen 16 is made of an unbreakable material, for example an armored glass. By using this material, damage to the illuminant 12 can be reliably prevented, which would otherwise have the consequences mentioned at the beginning in potentially explosive areas.
  • the windshield 16 is assigned a holder 17.
  • the holder 17 is used to hold various, for example colored, filters or lenses with which the light beam generated can be changed, in particular infrared filters, yellow filters or diffusers.
  • the bracket 17 consists of two upright angle rails 18 which are arranged on both sides of the windshield 16. Free legs of the angle rails face each other, so that a receptacle or frame for the filters or lenses is created, into which these can be inserted from above.
  • a lamp 12 is positioned behind the front pane 16 in the interior of the upper housing part 13 at a distance from the front pane 16 (FIG. 3).
  • the illuminant 12 shown is an illuminant 12 of the "sealed beam" type.
  • a special feature is that in the space between the illuminant 12 and the windshield
  • the sensor 19 is used to measure the temperature in the interior of the housing 11.
  • the sensor 19 is designed such that the illuminant 12 is automatically switched off when a certain temperature is reached or exceeded.
  • the sensor 19 can, for example, be integrated into the power supply to the illuminant 12.
  • the temperature at which the illuminant 12 is switched off can be selected such that the outside of the housing 11 does not heat up above a predetermined temperature at which there is a risk of an explosion, for example not above 60 ° C.
  • the sensor 19 is further arranged in the housing 11 such that a maximum temperature is measured.
  • the sensor 19 is arranged in a closed space between the front pane 16 and the illuminant 12. In order for the temperature to be measured reliably, the room must be sealed off from the outside air so that cooler air does not flow into the room and impair the measurement.
  • Lamps with different energy consumption and correspondingly different luminosity are arranged in the illuminant 12, for example two lamps with 50W or 20W.
  • the lamps can be actuated separately from one another by means of a switch 20 arranged on the housing 11.
  • the lamps can be operated individually or together.
  • the lamps can also generate a flashing light using an appropriate circuit.
  • a position of the switch 20 is assigned to each of the above-mentioned operating modes.
  • a switch 21 is assigned to the switch 20, which emits an assigned signal according to the operating mode.
  • the diode 21 can be arranged on an upper side of the upper housing part 13. It is also conceivable that the diode 21 is integrated in the switch 20.
  • the switch 20 itself is arranged on a handle 22 assigned to the upper housing part 13.
  • the handle 22 serves to receive the hand lamp 10 by a user. By arranging the switch 20 on the handle 22, the handheld spotlight 10 can also be operated with only one hand.
  • a current source 23 for supplying the hand lamp 10 with energy can be connected to the lower housing part 14.
  • the current source 23 consists, among other things, of a plurality of batteries 24, a so-called “battery pack”, and a housing 25.
  • the housing 25 encloses the batteries 24 on all sides, with the exception of an open top side 26.
  • Corresponding contacts 28, 29 are arranged on an underside 27 of the lower housing part 14 and in the region of the upper side 26 of the housing 25 in order to establish a current-conducting connection between the illuminant 12 and the current source 23.
  • the current-conducting connection is made by contacting the contacts 28, 29 against one another. adjustable.
  • the contacts 28 or contacts 29 are connected to the illuminant 12 or the accumulators 24 via lines.
  • the lower housing part 14 has an opening in the area of the underside 27, in the area of which the contacts 28 are arranged. In the exemplary embodiment shown, the opening extends over the entire underside 27, so that upright side walls of the lower housing part 14 form a circumferential collar.
  • the contacts 29 are arranged directly above the accumulators 24.
  • the contacts 28, 29 are arranged in such a way that they are connected to the housing 25 surrounding the batteries 24 by plugging together the lower housing part 14. Accordingly, the lower housing part 14 and the housing 25 are designed with a corresponding floor plan. In the exemplary embodiment shown, upright side walls of the lower housing part 14 grip around the upper edge of the housing 25. In this arrangement, the contacts 28, 29 lie opposite one another with sufficient accuracy so that the contacts 28, 29 are pushed onto the housing 25 by pushing the lower housing part 14 onto it. 29 are connected. 4 to 6 show this process in different phases.
  • a special feature is that the contacts 28, 29 are arranged in such a way that they are not connected to one another before the lower housing part 14 and the housing 25 form a closed space 30 around the contacts 28, 29. In this way it is prevented that sparks, which can possibly arise when connecting the contacts 28, 29, trigger an explosion.
  • the contacts 28, 29 are each arranged in the lower housing part 14 and in the housing 25 such that they only touch when pushed together after walls 31 of the lower housing part 14 and walls 32 of the housing 25 form the closed space 30 ,
  • a circumferential, elastic seal 33 is also arranged in the region of the lower edge of the lower housing part 14.
  • the seal 33 has an approximately circular cross-section and reliably closes off the space 30 from the potentially explosive areas. It is also conceivable that part of the lower housing part 14 and / or the upper edge of the housing 25 itself is formed from an elastic material and thus serves as a seal.
  • the contacts 28, 29 are arranged in the lower housing part 14 and the housing 25 such that the walls 31, 32 each extend beyond the contacts 28, 29. Accordingly, the walls 31 of the lower housing part 14 extend to below the contacts 28 and the walls 32 of the housing 25 to above the contacts 30 (FIG. 4).
  • a horizontally directed plate 38 for receiving the contacts 28 is arranged therein.
  • the pushing of the lower housing part 14 onto the power source 23 is also limited by a stop.
  • this stop is formed by a circumferential recess in the region of the upper edge of the housing 25 (FIGS. 4 to 7).
  • the walls 32 of the housing 25 run at a distance from the upper edge of the housing 25 in some areas obliquely to the interior thereof. The sliding on of the lower housing part 14 is therefore limited by contact with the obliquely directed areas.
  • housing 11 and power source 23 are held together by two holding means 34.
  • the current source 23 is detachably connected to the housing 25 by a latching connection of the holding means 34.
  • FIG. 7 A further possibility of effectively preventing an explosion when the housing 11 is connected to the power source 23 is shown in FIG. 7.
  • the special feature is that the power supply to the contacts 28, 29 is interrupted when the housing 11 is connected to the power source 23 until the contacts 28, 29 are connected to one another. Only then is the power supply to the contacts 28, 29 (again) established. In this way, it is prevented that when the contacts 28, 29 approach, a spark jumps over, which can lead to an explosion.
  • the power supply is interrupted by a switch or button 35, which can be integrated in the circuit.
  • the button 35 is arranged on the top 26 of the power source 23 such that it is automatically closed when the housing 11 is connected to the power source 23, namely by abutment on a projection 39 which is arranged in the region of the bottom 27 of the lower housing part 14 is. It is also conceivable that the button 35 itself is closed by contact with the lower housing part 14.
  • the projection 39 and the button 35 are positioned on the lower housing part 14 or the power source 23 such that the power supply is produced only after the contacts 28, 29 have been connected by closing the button 35.
  • a reed contact integrated in the circuit to interrupt the power supply is also conceivable.
  • the reed contact can be arranged in the region of the underside 27 of the lower housing part 14, this being automatically closed by a magnetic field generated on the upper side of the current source 23 when the housing 11 is connected to the current source 23.
  • the reed contact is only closed by appropriate positioning when the contacts 28, 29 are connected to one another.
  • the above-mentioned method for interrupting the power supply to the contacts 28, 29 can also be combined with the formation of a closed space 30 mentioned at the beginning around the contacts 28, 29.
  • a charger is integrated in the current source 23. After the power source 23 has possibly been detached from the housing 11, it can be connected to an external power source for charging the batteries 24. In this way, no separate or external chargers are required.
  • the charger can also be connected to external power sources with different voltages.
  • the charger has means for recognizing the voltage of the external power source and means for adapting this voltage to a suitable charging voltage.
  • the external power source can be either a DC relay or an AC power source, for example 12V, 24V, 41V DC. current or 230V AC.
  • the current source 23 has a socket 36. For example, corresponding plugs or suitable adapters can be connected to these.
  • the state of charge of the accumulators 24 can also be signaled by suitable optical or acoustic means.
  • a diode 37 is arranged on the housing 11.
  • the diode 37 only notifies the user of the impending end of the operating time when the capacity of the batteries 24 falls below a certain capacity or falls below a certain voltage.
  • the remaining operating time can also be displayed by suitable means.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Lorsque l'on utilise des lampes électriques, par exemple des projecteurs à main (10), dans des zones exposées aux explosions, il faut prendre en considération de nombreux aspects relatifs à la technique de sécurité. Avec les projecteurs à main (10), il est particulièrement important que des contacts électriques ne produisent aucune étincelle pouvant venir en contact avec des matières explosives. L'invention concerne un projecteur à main (10) dans lequel un espace ou des contacts susceptibles de former des étincelles sont enfermés hermétiquement peut être formé à l'aide d'un boîtier (11) et d'un moyen d'éclairage (12). Ainsi, les étincelles éventuelles ne peuvent pas entrer en contact avec le milieu extérieur explosif. Cet agencement empêche les explosions de façon simple et fiable.
PCT/EP2001/009407 2000-08-18 2001-08-15 Dispositif de signalisation destine de preference a des zones exposees aux explosions Ceased WO2002017441A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001284016A AU2001284016A1 (en) 2000-08-18 2001-08-15 Signaling device, preferably for explosion-prone locations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20014436.7 2000-08-18
DE20014436U DE20014436U1 (de) 2000-08-18 2000-08-18 Signalvorrichtung für vorzugsweise explosionsgefährdete Bereiche

Publications (2)

Publication Number Publication Date
WO2002017441A2 true WO2002017441A2 (fr) 2002-02-28
WO2002017441A3 WO2002017441A3 (fr) 2002-05-23

Family

ID=7945455

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/009407 Ceased WO2002017441A2 (fr) 2000-08-18 2001-08-15 Dispositif de signalisation destine de preference a des zones exposees aux explosions

Country Status (3)

Country Link
AU (1) AU2001284016A1 (fr)
DE (1) DE20014436U1 (fr)
WO (1) WO2002017441A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008019215A1 (de) * 2008-04-17 2009-10-22 Rag Aktiengesellschaft Druckfest gekapseltes elektrisches Gerät
WO2010150158A1 (fr) * 2009-06-26 2010-12-29 Koninklijke Philips Electronics N.V. Agencement d'éclairage comprenant un moyen de codage magnétique
DE102022004172A1 (de) 2022-11-09 2024-05-16 GEO-Technik GmbH & Co. KG Solar-Straßenleuchte - Ein Leuchtensystem welches Sonnenlicht in elektrische Energie umwandelt, in Batterien speichert und nach Bedarf, z.B nachts wieder als Licht abgibt.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2140944A5 (fr) * 1971-06-09 1973-01-19 Simmho Sa
US4156891A (en) * 1976-09-27 1979-05-29 Roche Thomas F Explosion-proof emergency light
DE7636602U1 (de) * 1976-11-20 1977-05-18 Hamacher, Martin, 4352 Herten Leuchte
WO1998016942A1 (fr) * 1996-10-11 1998-04-23 Catalina Lighting, Inc. Lampadaire halogene avec protection contre l'incendie

Also Published As

Publication number Publication date
DE20014436U1 (de) 2001-02-01
WO2002017441A3 (fr) 2002-05-23
AU2001284016A1 (en) 2002-03-04

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